rude ore

基本解釋

• [能源科學(xué)技術(shù)]原礦

英漢例句

雙語例句

• A key to ore dressing of quartz sands includes rude ores of high or low quality, occurrence and distribution of detrimental impurity such as iron and aluminium in size grades of placer deposits.
  石英砂原礦質(zhì)量的優(yōu)劣，有害雜質(zhì)鐵、鋁的賦存狀態(tài)及其在各粒級砂礦中的分布，是決定選礦效果的關(guān)鍵。

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專業(yè)釋義

能源科學(xué)技術(shù)

• 原礦